滤光镜的吸收临界波长的英文

absorption critical wavelength of a filter

• 滤:    filter; strain
• 光:    light; ray
• 镜:    looking glass; mir ...
• 的:    4次方是 The fourth po ...
• 吸收:    absorb; suck up; s ...
• 临界:    critical; crisis; ...
• 波长:    wavelength